20330122133 has 4 divisors (see below), whose sum is σ = 20331243840. Its totient is φ = 20329000428.

The previous prime is 20330122103. The next prime is 20330122139. The reversal of 20330122133 is 33122103302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33122103302 = 2 ⋅16561051651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330122133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330122139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533213 + ... + 570066.

It is an arithmetic number, because the mean of its divisors is an integer number (5082810960).

Almost surely, 2^20330122133 is an apocalyptic number.

It is an amenable number.

20330122133 is a deficient number, since it is larger than the sum of its proper divisors (1121707).

20330122133 is a wasteful number, since it uses less digits than its factorization.

20330122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121706.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20330122133 its reverse (33122103302), we get a palindrome (53452225435).

The spelling of 20330122133 in words is "twenty billion, three hundred thirty million, one hundred twenty-two thousand, one hundred thirty-three".